CSS Browser Support Guide
Comprehensive reference for CSS browser compatibility with real-world examples, fallback strategies, and progressive enhancement techniques.
98.5%
CSS Grid Support
99.2%
Flexbox Support
95.7%
CSS Variables
0.5%
IE 11 Usage
🔲
CSS Grid Layout
Two-dimensional layout system with excellent modern browser support
98.5% supportgrid layout
📦
Flexbox
One-dimensional layout system, widely supported with vendor prefixes
99.2% supportflexbox layout
🎨
CSS Custom Properties
CSS Variables for dynamic theming and values
95.7% supportmodern
⚡
Modern Layout Features
gap, aspect-ratio, clamp() and other modern CSS features
92.3% supportmodern layout
🎬
CSS Animation
Transforms, transitions, and keyframe animations
97.8% supportanimation modern
🎯
Advanced Selectors
:is(), :where(), :has() and other modern selectors
88.5% supportselectors